class test {

}

object test{

    def main(args: Array[String]): Unit = {

      var a = 1
      println(a)

      function(5, ">_<")

      println("输入一个整数")
      val str = readLine()
    }

    def function(a:Int, b:String): Unit ={
      var a1 = a + a
      var b1 = b.charAt(1)

      println(a1 + " " + b1)

    }

}


